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Eaton HND312T57W - Molded Case Breaker 1200A 600V 3-Pole

Cutler Hammer
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Eaton HND312T57W is a 3-pole, 1200A molded case circuit breaker from the Series C family, engineered for advanced power distribution protection in industrial environments. It operates at 600VAC with a solid-state LSIGA trip unit providing long-time, short-time, instantaneous, and ground fault alarm functions, and delivers a 65kA interrupting capacity at 480VAC. The N Frame breaker features a bolt-on connection, measures 5.5 in x 8.25 in x 8.25 in (Length/Depth x Height x Width), and weighs 44 lb. It is HACR rated and designed for 50/60 Hz frequency, meeting rigorous industry standards for reliable performance. Typical applications include main or feeder protection in commercial and industrial power systems requiring precise coordination and ground fault alarm capability.

Key Features & Specifications
  • Type: Molded Case
  • Family: Series C
  • Type: HND
  • Frame Size: N Frame
  • Poles: 3
  • Current Rating: 1200A
  • Voltage Rating: 600V
  • Protection: Solid State
  • Functions: LSIGA - Long-Time, Short-Time, Instantaneous and Ground Fault Alarm
  • AIC rating: 65kA@480V
  • Connection: Bolt-On
  • Dimensions: 5.5 in x 8.25 in x 8.25 in (Length/Depth x Height x Width)
  • Weight: 44 lb
  • Phase: 3
  • Frequency: 50/60 Hz
  • HACR Rated


Product Identification
  • UPC: 782114408742
  • GTIN: 00782114408742